Bump taiki-e/install-action

Bumps the github-actions group with 1 update in the / directory: [taiki-e/install-action](https://github.com/taiki-e/install-action).


Updates `taiki-e/install-action` from 2.83.3 to 2.84.0
- [Release notes](https://github.com/taiki-e/install-action/releases)
- [Changelog](https://github.com/taiki-e/install-action/blob/main/CHANGELOG.md)
- [Commits](taiki-e/install-action@ed67fa3...a6b2e2d)

---
updated-dependencies:
- dependency-name: taiki-e/install-action
  dependency-version: 2.84.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/zjit-macos.yml

@@ -98,7 +98,7 @@ jobs:
           rustup install ${{ matrix.rust_version }} --profile minimal
           rustup default ${{ matrix.rust_version }}
 
-      - uses: taiki-e/install-action@ed67fa35ac944f3a9b33f12c4dd43b6f31a47e20 # v2.83.3
+      - uses: taiki-e/install-action@a6b2e2dcd845ddd7f509ce4f3ed3d922b80cc5d9 # v2.84.0
         with:
           tool: nextest@0.9
         if: ${{ matrix.test_task == 'zjit-check' }}

.github/workflows/zjit-ubuntu.yml

@@ -141,7 +141,7 @@ jobs:
           ruby-version: '3.1'
           bundler: none
 
-      - uses: taiki-e/install-action@ed67fa35ac944f3a9b33f12c4dd43b6f31a47e20 # v2.83.3
+      - uses: taiki-e/install-action@a6b2e2dcd845ddd7f509ce4f3ed3d922b80cc5d9 # v2.84.0
         with:
           tool: nextest@0.9
         if: ${{ matrix.test_task == 'zjit-check' }}